CN204760996U - Power cable T type connecting terminal - Google Patents
Power cable T type connecting terminal Download PDFInfo
- Publication number
- CN204760996U CN204760996U CN201520458103.2U CN201520458103U CN204760996U CN 204760996 U CN204760996 U CN 204760996U CN 201520458103 U CN201520458103 U CN 201520458103U CN 204760996 U CN204760996 U CN 204760996U
- Authority
- CN
- China
- Prior art keywords
- rigid insulation
- shaped
- conductor
- splicing ear
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Cable Accessories (AREA)
Abstract
本实用新型公开了一种电力电缆T型连接端子,包括T型的连接端子本体,其为内部的连接导体和外部的硬质绝缘套一体化的整体件,连接导体绝缘封闭于硬质绝缘套中,连接导体的连接端均采用螺纹连接结构。连接端子本体配套有封头、封盖、橡胶垫及应力管。连接端子本体通过螺纹头的接线鼻、应力管、橡胶垫、硬质绝缘封盖和电缆连成一体,电缆芯处在绝缘封闭状态,与外部连接时拧开封头,通过配套的对接头与穿墙套管及电气设备带电连接构件连接,只需旋转对接头。在连接端子本体连接前,其连接导体被绝缘封闭,连接时连接导体的连接点处于硬质绝缘套的灭弧室内,整个连接过程中工作人员接触的是绝缘材料,从而可以实现带电作业且操作过程简单灵活。
The utility model discloses a T-shaped connecting terminal for power cables, which comprises a T-shaped connecting terminal body, which is an integral part integrating an internal connecting conductor and an external hard insulating sleeve, and the connecting conductor is insulated and sealed in the hard insulating sleeve. Among them, the connecting ends of the connecting conductors are all threaded connection structures. The connecting terminal body is equipped with a head, a cover, a rubber pad and a stress tube. The connecting terminal body is integrated with the cable through the threaded lug, stress tube, rubber pad, hard insulating cover and cable. The cable core is in an insulating and closed state. The connection between the wall bushing and the live connection member of the electrical equipment only needs to rotate the butt joint. Before the connecting terminal body is connected, the connecting conductor is insulated and sealed, and the connecting point of the connecting conductor is in the arc extinguishing chamber of the hard insulating sleeve. The process is simple and flexible.
Description
技术领域 technical field
本实用新型涉及一种高压电缆连接端子,尤其涉及一种电力电缆T型连接端子。 The utility model relates to a high-voltage cable connection terminal, in particular to a T-shaped connection terminal for power cables.
背景技术 Background technique
以前国内的电缆连接端子均为裸露,易放电、短路、触电,安全隐患多,引进欧式电缆分支箱的电缆连接构件配有绝缘外套,可防止放电、短路、触电,但连接端子内的金属导体与其外部的绝缘体为分体件,所以连接端子进行与穿墙套管或电气设备带电连接构件连接时,内部导体和外部绝缘体连接需要逐个进行,工序繁琐,操作灵活性不强耗时较长;且操作过程不能带电进行,影响供电可靠性,对生产生活带来较大影响,造成经济损失。 In the past, the domestic cable connection terminals were all exposed, easy to discharge, short circuit, electric shock, and many potential safety hazards. The cable connection components of the European-style cable branch box are equipped with insulating jackets to prevent discharge, short circuit, and electric shock. However, the metal conductors in the connection terminals The external insulator is a separate piece, so when the connecting terminal is connected to the wall bushing or the live connection member of the electrical equipment, the connection between the internal conductor and the external insulator needs to be carried out one by one, the process is cumbersome, the operation flexibility is not strong, and it takes a long time; And the operation process cannot be carried out with electricity, which affects the reliability of power supply, has a great impact on production and life, and causes economic losses.
实用新型内容 Utility model content
本实用新型的目的在于提供一种操作简单、可带电连接的电力电缆T型连接端子。 The purpose of the utility model is to provide a T-shaped connecting terminal of a power cable which is easy to operate and can be connected with electricity.
本实用新型公开了一种电力电缆T型连接端子,包括T型的连接端子本体,连接端子本体为内部的连接导体和外部的硬质绝缘套一体化的整体件,连接导体绝缘封闭于硬质绝缘套中,连接导体的连接端均采用螺纹连接结构,连接导体的形状为T型,有两个内螺纹接口和一个外螺纹接头,其中共轴线的两端中一端为外螺纹接头、另一端为内螺纹接口。 The utility model discloses a T-shaped connecting terminal for power cables, which comprises a T-shaped connecting terminal body. The connecting terminal body is an integral part integrating an internal connecting conductor and an external hard insulating sleeve. The connecting conductor is insulated and sealed in a hard In the insulating sleeve, the connection ends of the connecting conductors are all threaded connection structures. The shape of the connecting conductors is T-shaped, with two internal thread interfaces and one external thread joint. One of the two ends of the coaxial line is an external thread joint, and the other end is For the internal thread interface.
所述硬质绝缘套的形状为T型,其内有T型孔,所述连接导体嵌装于T型孔中,硬质绝缘套的长度大于连接导体的长度,其共轴线方向的两端中对应所述连接导体的外螺纹接头端形成灭弧室I、另一端形成灭弧室II,另一个方向的下部形成电缆连接室,其内配有应力管,电缆连接室的外壁有接地引线连接孔、电缆连接室外壁末端通过外螺纹连接有硬质绝缘封盖。 The shape of the hard insulating sleeve is T-shaped, and there is a T-shaped hole in it, and the connecting conductor is embedded in the T-shaped hole. The length of the hard insulating sleeve is greater than the length of the connecting conductor, and its two ends in the coaxial direction The external thread joint end corresponding to the connecting conductor forms the arc extinguishing chamber I, the other end forms the arc extinguishing chamber II, and the lower part in the other direction forms a cable connection chamber, which is equipped with a stress tube, and the outer wall of the cable connection chamber has a grounding lead The connecting hole and the end of the outer wall of the cable connection are connected with a hard insulating cover through external threads.
所述硬质绝缘套的灭弧室I内空尺寸大于灭弧室II的内空尺寸。 The inner space of the arc extinguishing chamber I of the hard insulating sleeve is larger than the inner space of the arc extinguishing chamber II.
所述连接端子本体共轴线的两端分别配套有内部导体和外部硬质绝缘体一体化的螺杆型封头和螺管型封头,内部导体嵌装外部绝缘体的轴向中心;螺管型封头的内部导体为带定位环的金属螺管,硬质绝缘体嵌装金属螺管的部分往外凸出;螺杆型封头的内部导体为带定位环的金属螺杆,硬质绝缘体的纵截面形状为U型,金属螺杆绝缘封闭于硬质绝缘体的轴向中心,金属螺杆的外端面位于硬质绝缘体的开口端端面内;螺管型封头以凸出段插入所述硬质绝缘套的灭弧室I内与连接导体的螺杆段螺纹连接;螺杆型封头以其硬质绝缘体套于所述硬质绝缘套外、内部导体与所述连接导体的内螺纹孔螺纹连接,该封头绝缘封闭有套于外螺纹接头上的橡胶垫。 The two ends of the coaxial line of the connecting terminal body are equipped with a screw-type head and a spiral-shaped head that integrate an inner conductor and an outer hard insulator, and the inner conductor is embedded in the axial center of the outer insulator; the spiral-type head The internal conductor is a metal coil with a positioning ring, and the part of the hard insulator embedded with the metal coil protrudes outward; the internal conductor of the screw-type head is a metal screw with a positioning ring, and the longitudinal section shape of the hard insulator is U type, the metal screw is insulated and sealed in the axial center of the hard insulator, and the outer end face of the metal screw is located in the open end face of the hard insulator; the spiral tube type head is inserted into the arc extinguishing chamber of the hard insulating sleeve with a protruding section I is threadedly connected with the screw section of the connecting conductor; the screw type head is sleeved on the outside of the hard insulating sleeve with its hard insulator, and the inner conductor is threaded with the internal threaded hole of the connecting conductor, and the head is insulated and sealed. A rubber pad set on the male threaded joint.
所述硬质绝缘封盖的轴向中心有阶梯孔,阶梯孔的大径端为内螺纹孔。 There is a stepped hole in the axial center of the hard insulating cover, and the large-diameter end of the stepped hole is an internal threaded hole.
所述硬质绝缘封盖、螺杆型封头和螺管型封头与所述连接端子本体连接时均配套橡胶垫。 The hard insulating cover, the screw-shaped head and the spiral-shaped head are all equipped with rubber pads when connected to the connecting terminal body.
电缆先与螺纹头接线鼻压接为一体,螺纹头接线鼻与本实用新型的连接端子本体通过螺纹连接为一体。使用时取下封头通过对接头与穿墙套管或者电气设备带电连接构件连接。对接头连接穿墙套管或电气设备带电连接构件和连接端子本体时,因为连接端子本体的连接导体完全绝缘封闭于硬质绝缘套内,连接导体的连接处在灭弧室内,工作人员操作时只接触绝缘材料,使得连接端子本体可实现带电连接作业,从而缩小停电范围,利于安全供电。操作简单,安装和拆卸时只需旋转对接头即可。 The cable is first crimped with the threaded head lug into one body, and the threaded head lug and the connecting terminal body of the utility model are integrally connected by thread. When in use, the sealing head is removed and connected to the wall bushing or the live connection member of the electrical equipment through the butt joint. When the butt joint is connected to the wall bushing or the live connection member of the electrical equipment and the connection terminal body, because the connection conductor of the connection terminal body is completely insulated and enclosed in a hard insulating sleeve, the connection of the connection conductor is in the arc extinguishing chamber, when the staff operates Only the insulating material is in contact, so that the connecting terminal body can realize the live connection operation, thereby reducing the scope of power failure and facilitating safe power supply. The operation is simple, only need to rotate the butt joint when installing and removing.
为了保证连接端子本体的清洁干燥以及其螺纹的完好性,连接端子本体的连接端先用封头封好;橡胶垫的设置可以防止相邻连接件之间松动并具有防水防潮作用。 In order to ensure the cleanness and dryness of the connecting terminal body and the integrity of its thread, the connection end of the connecting terminal body is first sealed with a head; the setting of the rubber pad can prevent loosening between adjacent connecting parts and has the effect of waterproofing and moisture-proofing.
附图说明 Description of drawings
图1为本实用新型一个实施例的爆炸结构示意图。 Fig. 1 is a schematic diagram of an exploded structure of an embodiment of the present invention.
具体实施方式 Detailed ways
如图1所示,本实施例公开了一种电力电缆T型连接端子,包括T型的连接端子本体,连接端子本体为内部的连接导体1和外部的硬质绝缘套2一体化的整体件,连接导体1绝缘封闭于硬质绝缘套2中。 As shown in Figure 1, this embodiment discloses a T-shaped connection terminal for power cables, which includes a T-shaped connection terminal body, which is an integrated integral part of the inner connection conductor 1 and the outer hard insulating sleeve 2 , The connecting conductor 1 is insulated and enclosed in a hard insulating sheath 2 .
连接导体1的形状为T型,有两个内螺纹接口和一个外螺纹接头,其中共轴线的两端中一端为外螺纹接头、另一端为内螺纹接口。硬质绝缘套2的形状为T型,其内有T型孔,连接导体1嵌装于T型孔中,硬质绝缘套2的长度大于连接导体1的长度,其共轴线方向的两端分别形成灭弧室I21和灭弧室II22,灭弧室I内空尺寸大于灭弧室II的内空尺寸,另一个方向的下部形成电缆连接室23,其内配有应力管3。电缆连接室23的外壁有接地引线连接孔24、电缆连接室23外壁末端通过外螺纹连接有硬质绝缘封盖4。 The shape of the connecting conductor 1 is T-shaped, and has two internal thread interfaces and one external thread joint, wherein one of the two ends of the coaxial line is an external thread joint, and the other end is an internal thread interface. The shape of the hard insulating sleeve 2 is T-shaped, and there is a T-shaped hole in it. The connecting conductor 1 is embedded in the T-shaped hole. The length of the hard insulating sleeve 2 is greater than the length of the connecting conductor 1. The arc extinguishing chamber I21 and the arc extinguishing chamber II22 are respectively formed. The inner space of the arc extinguishing chamber I is larger than the inner space of the arc extinguishing chamber II, and the lower part in the other direction forms a cable connection chamber 23, which is equipped with a stress tube 3. The outer wall of the cable connection chamber 23 has a ground lead connection hole 24, and the end of the outer wall of the cable connection chamber 23 is connected with a hard insulating cover 4 through an external thread.
连接端子本体共轴线的两端分别配套有内部导体和外部硬质绝缘体一体化的螺杆型封头6和螺管型封头5,内部导体嵌装外部绝缘体的轴向中心。螺管型封头5的内部导体为带定位环的金属螺管,硬质绝缘体嵌装金属螺管的部分往外凸出。螺杆型封头6的内部导体为带定位环的金属螺杆,硬质绝缘体的纵截面形状为U型,金属螺杆绝缘封闭于硬质绝缘体的轴向中心,金属螺杆的外端面位于硬质绝缘体的开口端端面内。 The two ends of the coaxial line of the connecting terminal body are equipped with a screw-shaped head 6 and a spiral-shaped head 5 integrating an inner conductor and an outer hard insulator respectively, and the inner conductor is embedded in the axial center of the outer insulator. The inner conductor of the helicoidal head 5 is a metal helix with a positioning ring, and the part of the hard insulator embedded with the metal helix protrudes outward. The internal conductor of the screw-type head 6 is a metal screw with a positioning ring, the longitudinal section of the hard insulator is U-shaped, the metal screw is insulated and closed at the axial center of the hard insulator, and the outer end surface of the metal screw is located at the center of the hard insulator. inside the open end.
螺管型封头5以凸出段插入硬质绝缘套2的灭弧室I内与连接导体的螺杆段螺纹连接。螺杆型封头6以其硬质绝缘体套于硬质绝缘套2外、内部导体与连接导体1的内螺纹孔螺纹孔连接。 The spiral tube type head 5 is inserted into the arc extinguishing chamber 1 of the hard insulating sheath 2 with a protruding section and is threadedly connected with the screw section of the connecting conductor. The screw type head 6 is sleeved on the outside of the hard insulating sleeve 2 with its hard insulator, and the inner conductor is connected with the internal threaded hole of the connecting conductor 1 .
硬质绝缘封盖4的轴向中心有阶梯孔,阶梯孔的大径端为内螺纹孔。 There is a stepped hole in the axial center of the hard insulating cover 4, and the large diameter end of the stepped hole is an internally threaded hole.
硬质绝缘封盖4、螺杆型封头6和螺管型封头5与连接端子本体连接时均配套橡胶垫7,以保护螺纹和使连接导体保持清洁干燥。 When the hard insulating cover 4, the screw-type head 6 and the screw-type head 5 are connected to the connecting terminal body, rubber pads 7 are provided to protect the thread and keep the connecting conductor clean and dry.
本连接端子在使用时,先取下硬质绝缘封盖,将硬质绝缘封盖套于电缆端头上,再将橡胶垫和应力管套于电缆端头上,将电缆端头的电缆芯与螺纹头接线鼻压接为一体;然后将螺纹头接线鼻插入电缆连接室,通过绝缘板手夹住硬质绝缘套外壁的六棱体段旋转连接端子本体将螺纹头接线鼻可靠固定,最后将应力管推进电缆连接室,将硬质绝缘封盖拧紧于硬质绝缘套的下端,至此电缆与连接端子本体连接成一体。连接端子本体再配套合适的对接头即可与穿墙套管及电气设备带电连接构件连接。 When this connection terminal is in use, first remove the hard insulating cover, put the hard insulating cover on the cable end, then put the rubber pad and stress tube on the cable end, connect the cable core of the cable end with the The threaded lugs are crimped as one; then insert the threaded lugs into the cable connection chamber, clamp the hexagonal section of the outer wall of the hard insulating sleeve with an insulating wrench to rotate the connecting terminal body to securely fix the threaded lugs, and finally The stress tube is pushed into the cable connection chamber, and the hard insulating cover is tightened on the lower end of the hard insulating sleeve, so far the cable and the connecting terminal body are connected into one body. The connecting terminal body can be connected with the wall bushing and the live connection member of the electrical equipment by matching with a suitable butt joint.
为保证连接端子本体的清洁干燥以及其螺纹的完好性,连接端子本体的连接端先用封头封好;为了使连接操作更快捷,使连接端子本体上的扳手夹持段为六棱体段;橡胶垫的设置可以防止相邻连接件之间松动并具有防水防潮作用。 In order to ensure the cleanness and dryness of the connecting terminal body and the integrity of its thread, the connecting end of the connecting terminal body is first sealed with a head; in order to make the connection operation faster, the wrench clamping section on the connecting terminal body is a hexagonal section ; The setting of the rubber pad can prevent loosening between adjacent connecting parts and has the function of waterproof and moisture-proof.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520458103.2U CN204760996U (en) | 2015-06-30 | 2015-06-30 | Power cable T type connecting terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520458103.2U CN204760996U (en) | 2015-06-30 | 2015-06-30 | Power cable T type connecting terminal |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204760996U true CN204760996U (en) | 2015-11-11 |
Family
ID=54475672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520458103.2U Active CN204760996U (en) | 2015-06-30 | 2015-06-30 | Power cable T type connecting terminal |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204760996U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105305331A (en) * | 2015-11-23 | 2016-02-03 | 国网宁夏电力公司吴忠供电公司 | Grounding device for T-shaped cable head |
CN106898995A (en) * | 2015-12-17 | 2017-06-27 | 江苏澳能电力电缆附件有限公司 | Joint after a kind of separable cable terminal |
CN106898996A (en) * | 2015-12-17 | 2017-06-27 | 江苏澳能电力电缆附件有限公司 | A kind of separable cable terminal front connector |
-
2015
- 2015-06-30 CN CN201520458103.2U patent/CN204760996U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105305331A (en) * | 2015-11-23 | 2016-02-03 | 国网宁夏电力公司吴忠供电公司 | Grounding device for T-shaped cable head |
CN106898995A (en) * | 2015-12-17 | 2017-06-27 | 江苏澳能电力电缆附件有限公司 | Joint after a kind of separable cable terminal |
CN106898996A (en) * | 2015-12-17 | 2017-06-27 | 江苏澳能电力电缆附件有限公司 | A kind of separable cable terminal front connector |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204991997U (en) | Power cable connecting terminal sub -assembly | |
CN204696266U (en) | Power cable L-type splicing ear component | |
CN204760996U (en) | Power cable T type connecting terminal | |
CN104901033B (en) | The method and T-shaped part flow arrangement of cable branch box/ring main unit network access in parallel | |
CN104852344B (en) | Electric connection component of European-style cable branch box | |
CN110429402A (en) | A kind of route prosthetic appliance | |
CN204885746U (en) | Transition joints for connecting terminals of electrical equipment and external conductors | |
CN204741258U (en) | Power cable T-type connection terminal components | |
CN204559079U (en) | European cable branch box band is electrically connected/overlaps component | |
CN204732629U (en) | The quick connecting elements of insulation of electrical installation | |
CN204706866U (en) | The T-shaped splicing ear head of power cable | |
CN202513307U (en) | Copper connecting terminal | |
CN204696637U (en) | Power cable linear pattern splicing ear | |
CN104993435B (en) | Cable branch box wall bushing and its part that is combined through series connection | |
CN204741099U (en) | T-type connecting terminal components for electrical equipment | |
CN205070032U (en) | Insulated wire connecting terminal component that can connect with electricity | |
CN204760585U (en) | T type connecting terminal that electrical equipment connects | |
CN204760567U (en) | Insulated wire L type connecting terminal | |
CN204696629U (en) | Power cable linear pattern splicing ear head | |
CN204481275U (en) | The charged bridge piece of European cable branch box | |
CN204481277U (en) | European cable branch box band electrical connector | |
CN204732588U (en) | The T-shaped splicing ear head of electric equipment joint | |
CN107732519A (en) | A kind of extra-high voltage joint for vacuum instrument | |
CN204696598U (en) | Cable branch box wall bushing and the part that is combined through series connection thereof | |
CN204696257U (en) | The T-shaped connecting elements of electric equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |